Corpus of Electronic Texts Edition
Chronicon Scotorum (Author: [unknown])

Annal CS905

Annal CS906


Flann son of Domnall, heir designate of the North, dies.

Éicnechán son of Dálach, king of Cenél Conaill, dies.

An expedition by Flann son of Mael Sechnaill and by Cerball son of Muirecán against the people of Mumu, and they harried from Gabrán to Luimnech.

Annal CS907


Colmán, bishop of Dam Liac and Lusca, rested.


Fergil, bishop of Finnubair, rested.

An expedition of the men of Mumu led by Cormac son of Cuilennán and by Flaithbertach to Mag Léna, and Leth Cuinn assembled against them under Flann son of Mael Sechnaill, and Leth Cuinn were defeated.

The year of the mortality.

Another expedition by Cormac and by Flaithbertach against the Uí Néill and the Connachta, and they took the hostages of the Connachta and plundered the islands of Loch Ríbh from their fleet.

A law was imposed by Céle Cléirech on Leth Cuinn.

Annal CS


An expedition by the Cenél Eógain i.e. by Domnall son of Aed and by Niall son of Aed, and they burned Tlachtga.

The battle of Belach Mugna was won by the Laigin and Leth Cuinn against the men of Mumu, and Cormac son of Cuilennán, king of Caisel, an excellent scribe and bishop and anchorite and the most learned of the Irish, was killed there i.e. it was Fiach ua Ugfadan from Dennlis who slew Cormac. Fogartach son of Suibne, king of Ciarraige Cuirche, and Cellach son of Cerball, king of Osraige, were killed. Ailill son of Eógan, superior of the Trian of Corcach, and Mael Mórda king of Ráith Linne, and Mael Gorm, king of Ciarraige Luachra and many others to the number of 6000 fell there, Colmán superior of Cenn Éitig and king of Corcu Duibne, and many others who are not listed; ut dixit:

    1. Cormac of Feimhin, Fogartach,
      Colman, Ceallach of the hard fights—
      They perished, with many thousands,
      In the battle of famous Bealach Mughna.
    2. Flann of Temhair, of the plain of Tailten,
      Cearbhall of lordly Carman,
      On the Seventeenth of September,
      Gained a battle of which hundreds were joyful.
    3. The Bishop—the soul-friend—
      The renowned, illustrious sage—
      King of Caisel, of great riches—
      O God! Alas for Cormac.



Flann, son of Mael Sechnaill, king of Temair, Cerball son of Muirecán, king of Laigin, Cathal son of Conchobor, king of Connacht were the victors.

Mael Ograi son of Conglach, king of Loch Gabor, was treacherously killed by Fogartach son of Tolarg.

Annal CS909


Cerball son of Muircán, king of Laigin, dies of a sickness, ut dicitur

    1. Great grief that Lífe of firece valour
      Is without the pious, friendly Cerbhall—
      A generous, stayed, prolific man,
      To whom Temhair the splendid was obedient.

Mugrón son of Sochlachán, king of Uí Maini,dies.

Béc grandson of Lethlabar, king of Dál Araidi, dies.

Caittell son of Rhodrí, king of the Britons, dies.

The oratory of Cluain moccu Nóis was built by Flann son of Mael Sechnaill and Colmán Conaillech.